-- Stack Trace -- at TStudio.ProjectManager.DataAccess.SqlExpressDataManagementFactory.GetSQLInstances() at TStudio.ProjectManager.DataAccess.SqlExpressDataManagementFactory.SetSQLInstance() at TStudio.ProjectManager.DataAccess.SqlExpressDataManagementFactory.GetDBConnectionStringBuilder() at TStudio.ProjectManager.DataAccess.SqlExpressDataManagementFactory.GetDataManagementObject() at TStudio.ProjectManager.Project.CreateNew() at TStudio.Module.ProjectManager.ProjectManagerWorkItem.NewProject(String projectPath) at TStudio.Module.ProjectManager.ProjectManagerWorkItem.NewProjectDialog() at TStudio.Module.ProjectManager.ProjectManagerWorkItem.HandleNewProject(Object sender, EventArgs e)

Edit 2: I also uninstalled and properly uninstalled the TSTUDIO instance and then tried again. And still had the same results. Why use 6 year old database??